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| Terms for subject Environment (7358 entries) |
| behavioural science (The study of the behaviour of organisms) | 行为科学 | |
| beneficial organism (Any pollinating insect, or any pest predator, parasite, pathogen or other biological control agent which functions naturally or as part of an integrated pest management program to control another pest) | 有益生物 | |
| benthic division (The bottom of a body of water often occupied by benthos) | 底栖 | |
| benthic ecosystem (The interacting system of the biological communities located at the bottom of bodies of freshwater and saltwater and their non-living environmental surroundings) | 底栖生态系统 | |
| benthos (Those organisms attached to, living on, in or near the sea bed, river bed or lake floor) | 底栖生物 | |
| benzene (A colorless, liquid, flammable, aromatic hydrocarbon used to manufacture styrene and phenol. Also known as benzol, C6H6) | 苯 | |
| benzopyrene (A five-ring aromatic hydrocarbon found in coal tar, in cigarette smoke, and as a product of incomplete combustion) | 苯并芘 | |
| bequest value | 遗产价值 | |
| beryllium (A corrosion-resistant, toxic silvery-white metallic element that occurs chiefly in beryl and is used mainly in x-ray windows and in the manufacture of alloys) | 铍 | |
| best available control technology | 最佳可用控制技术 | |
| best practicable environment option | 最实用的环境方案 | |
| best practical control technology | 最佳实用控制技术 | |
| best-control technology | 最佳控制技术 | |
| beta radiation (Name given to the ionizing radiation which is produced as a stream of high speed electrons emitted by certain types of radioactive substance when they decay. The intensity of radiation energy produced in human tissue by a beta particle is a hundred times less than that produced by an alpha radiation particle, but it travels slightly deeper into tissue) | β辐射 | |
| beverage (Any one of various liquids for drinking, usually excluding water) | 饮料 | |
| beverage industry | 饮料工业 | |
| bibliographic information (Data pertaining to the history, physical description, comparison, and classification of books and other works) | 书目信息 | |
| bibliographic information system (A coordinated assemblage of people, devices or other resources organized for the exchange of data pertaining to the history, physical description, comparison, and classification of books and other works) | 书目信息系统 | |
| bibliography (A complete or selective listing of documents by a given subject, author or publisher, often including the description and identification of the editions, dates of issue, titles, authorship, publishers or other written materials) | 文献学 | |
| bicycle (A vehicle with two wheels in tandem, pedals connected to the rear wheel by a chain, handlebars for steering, and a saddlelike seat) | 自行车 |